/**
 * Licensed to the Apache Software Foundation (ASF) under one
 * or more contributor license agreements.  See the NOTICE file
 * distributed with this work for additional information
 * regarding copyright ownership.  The ASF licenses this file
 * to you under the Apache License, Version 2.0 (the
 * "License"); you may not use this file except in compliance
 * with the License.  You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package org.apache.s4.comm.topology;

/**
 * 
 * Upon startup an S4 process in a cluster must be assigned one and only one of the available cluster nodes. Cluster
 * nodes ({@link ClusterNode}) are defined using a configuration mechanism at startup.
 * 
 * The Assignment implementation is responsible for coordinating how cluster nodes are uniquely assigned to processes.
 * 
 */
public interface Assignment {

    /**
     * @return the ClusterNode associated assigned to this process.
     */
    public ClusterNode assignClusterNode();
}
